20002244100 has 72 divisors (see below), whose sum is σ = 57887336640. Its totient is φ = 5332625280.

The previous prime is 20002244069. The next prime is 20002244117. The reversal of 20002244100 is 144220002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20002244100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2416569 + ... + 2424831.

Almost surely, 2^20002244100 is an apocalyptic number.

20002244100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002244100 is an abundant number, since it is smaller than the sum of its proper divisors (37885092540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002244100 is a wasteful number, since it uses less digits than its factorization.

20002244100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16349 (or 16342 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20002244100 its reverse (144220002), we get a palindrome (20146464102).

The spelling of 20002244100 in words is "twenty billion, two million, two hundred forty-four thousand, one hundred".